scholarly journals Michigan bird life : a list of all the bird species known to occur in the State together with an outline of their classification and an account of the life history of each species, with special reference to its relation t by Walter Bradford Barrows.

1912 ◽  
Author(s):  
Walter Bradford Barrows
Keyword(s):  
Life History ◽  
Special Reference ◽  
Bird Species ◽  
The State ◽  
History Of

scholarly journals Codling-moth Investigations of the State Entomologist's Office

1922 ◽  
Vol 14 (1-10) ◽  
pp. 219-289 ◽  
Author(s):  
P. A. Glenn
Keyword(s):  
Life History ◽  
Codling Moth ◽  
Climatic Conditions ◽  
The State ◽  
Accurate Data ◽  
Rate Of Development ◽  
History Of ◽  
Seasonal History

To secure accurate data in regard to the life history and the seasonal history of the codling-moth in Illinois, and the relation of climatic conditions to the rate of development and the time of appearance of the various stages of the insect, an investigation was begun in the spring of 1915 under the direction of Doctor S. A. Forbes, then State Entomologist.

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